We describe a pragmatic approach based on Model Driven Engineering (MDE) principles for implmenting the execution semantics of BPMN. The approach is based on a two-step model transformation that transforms BPMN models into Web application models specified according to the WebML notation and then into running Web applications. Thanks to the proposed chain of model transformations it is also possible to fine tune the final application in several ways by refining the intermediate WebML application models.
Transforming Software Architecture for the 21st Century (September 2009)Dion Hinchcliffe
Evolving an important theme I've been working on and presenting all year, this new deck summarizes how enterprise architecture and large scale technology-based business solutions must transform to be more effective in the 21st century.
Contains material on a hypothesis for what's wrong with today's EA as well as potential solutions of merit such as emergent architecture, WOA, enterprise REST, open supply chains (APIs), mashups, and other models.
Presented this week in Oslo Norway to Bouvet's enterprise architecture council.
This was a 1-hour BPMN Intro/Primer webinar I presented at ASPE. Just to be clear, I design/develop and teach classes for ASPE ("Modeling Processes using BPMN" being one of those classes), so one of goals was to tease audiences into wanting to learn more(and attending my class:-). Beyond that, the main goal was to share useful/interesting information and to ignite questions and curiosity about this important topic. Let me know what you think. Thanks, Razvan:-)
Transforming Software Architecture for the 21st Century (September 2009)Dion Hinchcliffe
Evolving an important theme I've been working on and presenting all year, this new deck summarizes how enterprise architecture and large scale technology-based business solutions must transform to be more effective in the 21st century.
Contains material on a hypothesis for what's wrong with today's EA as well as potential solutions of merit such as emergent architecture, WOA, enterprise REST, open supply chains (APIs), mashups, and other models.
Presented this week in Oslo Norway to Bouvet's enterprise architecture council.
This was a 1-hour BPMN Intro/Primer webinar I presented at ASPE. Just to be clear, I design/develop and teach classes for ASPE ("Modeling Processes using BPMN" being one of those classes), so one of goals was to tease audiences into wanting to learn more(and attending my class:-). Beyond that, the main goal was to share useful/interesting information and to ignite questions and curiosity about this important topic. Let me know what you think. Thanks, Razvan:-)
03 Service Oriented Architecture Series - Basic SOA ArchitecturePouria Ghatrenabi
Service Oriented Architecture (SOA) is the secret sauce of many software integration and internet technologies. The SOA Series includes five presentations based on IBM SOA Associate Certificate. It gives a very concise, practical overview of SOA concepts. The third presentation discusses the characteristics of a basic SOA architecture, IBM SOA Reference Architecture, enterprise service bus (ESB), role of Web Services and messaging, and the the stages of the SOA lifecycle
Business Process Model and Notation (BPMN)Peter R. Egli
Overview of Business Process Model and Notation (BPMN) language for modeling business processes.
When implementing business processes, there is usually a large gap between the business semantics (process, activity, participant, orchestration, choreography, data items etc.) and the technical implementation languages (REST, WSDL, transport protocol, message bus etc.). BPMN has the goal of bridging this gap by providing a standard notation for describing business processes plus a standard mapping of this notation into an executable description language like WSBPEL. The BPMN 2.0 standard even allows executing BPMN business models directly without the need of a translation.
The core notation elements of BPMN are flow objects to model activities and events, data objects to model pieces of information, connecting objects to model information and control flow, and swimlanes to model process participants. Four different diagram types allow the modeling of processes, process choreographies, collaboration between participants and conversations.
Camunda launched Zeebe, a new open source project based around microservice orchestration.
With Zeebe, you can decompose long-running and asynchronous business logic into microservices which are then orchestrated using visual workflows. Zeebe itself is extremely fast, horizontally scalable, fault-tolerant and highly available. With Zeebe you can reliably processes all your transactions as they happen.
A BPMN-based notation for SocialBPM. BPMN workshop 2011Marco Brambilla
Social networking is more and more considered as crucial for helping organizations harness the value of informal relationships and weak ties, without compromising the consolidated business practices embedded in conventional BPM solutions. However, no appropriate notation has been devised for specifying social aspects within business process models. In this paper we propose a first attempt towards the extension of business process notations with social features. In particular, we devise an extension of the BPMN notation for capturing social requirements. Such extension does not alter the semantics of the language: it includes a set of new event types and task types, together with some annotation for the pool/lane levels. This notation enables the description of social behaviours within BPMN diagrams. To demonstrate the applicability of the notation, we implement it within the WebRatio BPM editor and we provide a code generation framework that automatically produces a process enactment Web application connected with mainstream social platforms.
This speech was given at the 3rd International Workshop on BPMN in Luzern, Switzerland.
BPMN and Design Patterns for Engineering Social BPM SolutionsMarco Brambilla
The integration of social software and BPM can help organizations harness the value of informal relationships and weak ties, without compromising the consolidated business practices embedded in conventional BPM solutions. This paper presents a process design methodology, supported by a tool suite, for addressing the extension of business processes with social features. The social process design exploits an extension of BPMN for capturing social requirements, a gallery of social BPM design patterns that represent reusable solutions to recurrent process socialization requirements, and a model-to-model and mode-to-code transformation technology that automatically produces a process enactment Web application connected with mainstream social platforms.
Sample Chapter of Practical Unit Testing with TestNG and MockitoTomek Kaczanowski
This is Chapter 10 of "Practical Unit Testing with TestNG and Mockito" book.
This is one of the last chapters which explains how to make your unit tests manageable, so they do not become a burden as the project develops and changes are introduced.
You can learn more about the book on http://practicalunittesting.com.
Identifying and managing the decisions within a business process are critical next steps for greater efficiency and effectiveness in organizations today.
Following new trends, as microservices architecture style and developer-friendly BPM solutions, we want to present our active open source projects using Grails
Raiffeisen Informations Systeme (RIS) started the redesign of its main banking software in 2015. The new software is developed in Java and one of the major goals of the new banking platform is to support complex banking processes.
Actually, such a process is the loan allocation process and Raiffeisen decided to model it using BPMN and implement it using a BPM Platform. An internal evaluation led to use Camunda BPM, as it integrates perfectly in the (Java based) architecture of the new banking software.
After modeling the loan allocation process using Camunda’s BPMN Modeler, Raiffeisen used the Camunda Process Engine Java API as well as direct database queries to create their own interfaces to the Process Engine.
After successfully introducing the new loan allocation process, Raiffeisen plans to implement other banking processes with BPM, like the order and installation of P.O.S as well as branch comprehensive processes.
This presentation describes the service oriented architecture of a salable web based workflow platform developed by Reach1to1 (http://www.reach1to1.com), and used in various products like On2Biz (http://www.on2.biz)
WebML and WebRatio 5 - TOOLS conference, Zurich 2008Marco Brambilla
We present WebRatio 5.0, a design tool that supports WebML (Web Modelling Language). WebML is a domain specific language (DSL) for designing complex, distributed, multi-actor, and adaptive applications deployed on the Web and on Service Oriented Architectures using Web Services. WebRatio 5.0 provides visual design facilities based on the WebML notation and code generation engines for J2EE Web applications. The tool is developed as a set of Eclipse plug-ins and takes advantage of all the features of this IDE framework. It also provides support of customized extensions to the models, project documentation, and requirements specifications. The overall approach moves towards a full coverage of the specification, design, verification, and implementation of Web applications.
WebRatio BPM: a Tool for Designing and Deploying Business Processes on the WebMarco Brambilla
See also:
http://www.webratio.com
http://dbgroup.como.polimi.it/brambilla/webratio-bpm
http://www.youtube.com/watch?v=jRS1LTazxFk (demo video)
We present WebRatio BPM, an Eclipse-based tool that supports the design and deployment of business processes as Web applications. The tool applies Model Driven Engineering techniques to complex, multi-actor business processes, mixing tasks executed by humans and by machines, and produces a Web application running prototype that implements the specied process. Business processes are described through the standard BPMN notation, extended with information on task assignment, escalation policies, activity semantics, and typed dataflows, to enable a two-step generative approach: first the Process Model is automatically transformed into a Web Application Model in the WebML notation, which seamlessly expresses both human- and machine-executable tasks; secondly, the Application Model is fed to an automatic transformation capable of producing the running code. The tool provides various features that increase the productivity and the quality of the resulting application: one-click generation of a running protoype of the process from the BPMN model; fine-grained refinement of the resulting application; support of continuous evolution of the application design after requirements changes (both at business process and at application levels).
A view on architectural considerations and models for the emerging context of software plus services and in view of technologies such as Windows Azure.
MobiWebApp 2012 - Gaps between standard & tool for native and web mobile appl...Mootwin
MobiWebApp 2012 - Paris - Gaps between standard & tool for native and web mobile applications
This presentation deals with mobile development with native and web tools using or not framework.
1. Native vs HTML5
2. Using Frameworks - JS, PhoneGap, Titanium
3. What Mootwin offers on top of that to lower development cycle
Mootwin : SDK's add-ons to empower your applications with plug & play features.
contact@mootwin.com
03 Service Oriented Architecture Series - Basic SOA ArchitecturePouria Ghatrenabi
Service Oriented Architecture (SOA) is the secret sauce of many software integration and internet technologies. The SOA Series includes five presentations based on IBM SOA Associate Certificate. It gives a very concise, practical overview of SOA concepts. The third presentation discusses the characteristics of a basic SOA architecture, IBM SOA Reference Architecture, enterprise service bus (ESB), role of Web Services and messaging, and the the stages of the SOA lifecycle
Business Process Model and Notation (BPMN)Peter R. Egli
Overview of Business Process Model and Notation (BPMN) language for modeling business processes.
When implementing business processes, there is usually a large gap between the business semantics (process, activity, participant, orchestration, choreography, data items etc.) and the technical implementation languages (REST, WSDL, transport protocol, message bus etc.). BPMN has the goal of bridging this gap by providing a standard notation for describing business processes plus a standard mapping of this notation into an executable description language like WSBPEL. The BPMN 2.0 standard even allows executing BPMN business models directly without the need of a translation.
The core notation elements of BPMN are flow objects to model activities and events, data objects to model pieces of information, connecting objects to model information and control flow, and swimlanes to model process participants. Four different diagram types allow the modeling of processes, process choreographies, collaboration between participants and conversations.
Camunda launched Zeebe, a new open source project based around microservice orchestration.
With Zeebe, you can decompose long-running and asynchronous business logic into microservices which are then orchestrated using visual workflows. Zeebe itself is extremely fast, horizontally scalable, fault-tolerant and highly available. With Zeebe you can reliably processes all your transactions as they happen.
A BPMN-based notation for SocialBPM. BPMN workshop 2011Marco Brambilla
Social networking is more and more considered as crucial for helping organizations harness the value of informal relationships and weak ties, without compromising the consolidated business practices embedded in conventional BPM solutions. However, no appropriate notation has been devised for specifying social aspects within business process models. In this paper we propose a first attempt towards the extension of business process notations with social features. In particular, we devise an extension of the BPMN notation for capturing social requirements. Such extension does not alter the semantics of the language: it includes a set of new event types and task types, together with some annotation for the pool/lane levels. This notation enables the description of social behaviours within BPMN diagrams. To demonstrate the applicability of the notation, we implement it within the WebRatio BPM editor and we provide a code generation framework that automatically produces a process enactment Web application connected with mainstream social platforms.
This speech was given at the 3rd International Workshop on BPMN in Luzern, Switzerland.
BPMN and Design Patterns for Engineering Social BPM SolutionsMarco Brambilla
The integration of social software and BPM can help organizations harness the value of informal relationships and weak ties, without compromising the consolidated business practices embedded in conventional BPM solutions. This paper presents a process design methodology, supported by a tool suite, for addressing the extension of business processes with social features. The social process design exploits an extension of BPMN for capturing social requirements, a gallery of social BPM design patterns that represent reusable solutions to recurrent process socialization requirements, and a model-to-model and mode-to-code transformation technology that automatically produces a process enactment Web application connected with mainstream social platforms.
Sample Chapter of Practical Unit Testing with TestNG and MockitoTomek Kaczanowski
This is Chapter 10 of "Practical Unit Testing with TestNG and Mockito" book.
This is one of the last chapters which explains how to make your unit tests manageable, so they do not become a burden as the project develops and changes are introduced.
You can learn more about the book on http://practicalunittesting.com.
Identifying and managing the decisions within a business process are critical next steps for greater efficiency and effectiveness in organizations today.
Following new trends, as microservices architecture style and developer-friendly BPM solutions, we want to present our active open source projects using Grails
Raiffeisen Informations Systeme (RIS) started the redesign of its main banking software in 2015. The new software is developed in Java and one of the major goals of the new banking platform is to support complex banking processes.
Actually, such a process is the loan allocation process and Raiffeisen decided to model it using BPMN and implement it using a BPM Platform. An internal evaluation led to use Camunda BPM, as it integrates perfectly in the (Java based) architecture of the new banking software.
After modeling the loan allocation process using Camunda’s BPMN Modeler, Raiffeisen used the Camunda Process Engine Java API as well as direct database queries to create their own interfaces to the Process Engine.
After successfully introducing the new loan allocation process, Raiffeisen plans to implement other banking processes with BPM, like the order and installation of P.O.S as well as branch comprehensive processes.
This presentation describes the service oriented architecture of a salable web based workflow platform developed by Reach1to1 (http://www.reach1to1.com), and used in various products like On2Biz (http://www.on2.biz)
WebML and WebRatio 5 - TOOLS conference, Zurich 2008Marco Brambilla
We present WebRatio 5.0, a design tool that supports WebML (Web Modelling Language). WebML is a domain specific language (DSL) for designing complex, distributed, multi-actor, and adaptive applications deployed on the Web and on Service Oriented Architectures using Web Services. WebRatio 5.0 provides visual design facilities based on the WebML notation and code generation engines for J2EE Web applications. The tool is developed as a set of Eclipse plug-ins and takes advantage of all the features of this IDE framework. It also provides support of customized extensions to the models, project documentation, and requirements specifications. The overall approach moves towards a full coverage of the specification, design, verification, and implementation of Web applications.
WebRatio BPM: a Tool for Designing and Deploying Business Processes on the WebMarco Brambilla
See also:
http://www.webratio.com
http://dbgroup.como.polimi.it/brambilla/webratio-bpm
http://www.youtube.com/watch?v=jRS1LTazxFk (demo video)
We present WebRatio BPM, an Eclipse-based tool that supports the design and deployment of business processes as Web applications. The tool applies Model Driven Engineering techniques to complex, multi-actor business processes, mixing tasks executed by humans and by machines, and produces a Web application running prototype that implements the specied process. Business processes are described through the standard BPMN notation, extended with information on task assignment, escalation policies, activity semantics, and typed dataflows, to enable a two-step generative approach: first the Process Model is automatically transformed into a Web Application Model in the WebML notation, which seamlessly expresses both human- and machine-executable tasks; secondly, the Application Model is fed to an automatic transformation capable of producing the running code. The tool provides various features that increase the productivity and the quality of the resulting application: one-click generation of a running protoype of the process from the BPMN model; fine-grained refinement of the resulting application; support of continuous evolution of the application design after requirements changes (both at business process and at application levels).
A view on architectural considerations and models for the emerging context of software plus services and in view of technologies such as Windows Azure.
MobiWebApp 2012 - Gaps between standard & tool for native and web mobile appl...Mootwin
MobiWebApp 2012 - Paris - Gaps between standard & tool for native and web mobile applications
This presentation deals with mobile development with native and web tools using or not framework.
1. Native vs HTML5
2. Using Frameworks - JS, PhoneGap, Titanium
3. What Mootwin offers on top of that to lower development cycle
Mootwin : SDK's add-ons to empower your applications with plug & play features.
contact@mootwin.com
This presentation was given on Oct 20th, 2010 at SMAU, in Milano. It highlights the current challenges in the Business Process Modeling and Management fields, including:
* social BPM: how to foster online social communities for collaborative real-time process improvement
* mobile BPM: how to build essential mobile BPM applications for everyday life, spanning from online flight check-in to purchase control
* data-centric BPM: how to integrate data and process modeling, by combining MDM (Master Data Management) and BPM, so as to achieve less expensive integration between BPMS and DBMS.
* BPM on the cloud: how to exploit cloud computing platforms and services for performance and cost scalability of BPM solutions
*Mobile BPM: why and when it makes sense to go mobile with BP.
Besides highlighting the needs and trends, the workshop discusses the visions of the major players and analysts in the field and proposes some approaches to the problem, with special attention to MDD (Model Driven Development) as a possible solution. To make the discussion more concrete, the MDD approach is exemplified with the WebRatio development environment.
In this webinar the CTO and Product Management Director of Service2Media explain about the Service2Media App Lifecycle Platform - M2Active. M2Active is the technique behind the platform: Architecture and Runtimes. This webinar is rather technical and especially interesting for CIO's or app development and IT staff that are interested to use The App Lifecycle Platform to develop portfolio's of core and critical App's.
Slide deck showing some of my take-aways from TechEd. Please e-mail if anything looks glaring wrong. I tried to demonstrate moving from ABAP reports to newer ABAP objects to User interfaces. As a company we still use ABAP lists instead of objects.
JBoss BRMS sneak peak, the future is now for your Business ProcessesEric D. Schabell
A Business Process Management System (BPMS) offers you the capabilities to better manage and streamline your business processes. JBoss continues expanding its vision in this area by offering a lightweight process engine for executing business processes, combined with the necessary services and tooling to support business processes in their entire life-cycles.
This allows not only developers but also business users to manage your business processes more efficiently. A lot has happened in the BPM area over the last few years, with the introduction of the BPMN 2.0 standard, the increasing interest in more dynamic and adaptive processes, integration with business rules and event processing, case management, etc. In this session, we will show you how JBoss BRMS leverages the jBPM project to tackle these challenge and give you an overview of its most important BPMS features.
Hierarchical Transformers for User Semantic Similarity - ICWE 2023Marco Brambilla
We discuss the use of hierarchical transformers for user semantic similarity in the context of analyzing users' behavior and profiling social media users. The objectives of the research include finding the best model for computing semantic user similarity, exploring the use of transformer-based models, and evaluating whether the embeddings reflect the desired similarity concept and can be used for other tasks.
We use a large dataset of Twitter users and apply an automatic labeling approach. The dataset consists of English tweets posted in November and December 2020, totaling about 27GB of compressed data. Preprocessing steps include filtering out short texts, cleaning user connections, and selecting a benchmark set of users for evaluation.
Since Transformer architectures are known to work well on short text, we cannot use them on extensive collections of tweets describing the activity of a user. Therefore, we propose a hierarchical structure of transformer models to be used first on tweets and then on their aggregations.
The models used in the study include hierarchical transformers, and the tweet embeddings are obtained using four Transformer-based models: RoBERTa2, BERTweet3, Sentence BERT4, and Twitter4SSE5. The researchers test different techniques for processing tweet embeddings to generate accurate user embeddings, including mean pooling, recurrence over BERT (RoBERT), and transformer over BERT (ToBERT).
The evaluation of the models is done on a set of 5,000 users, comparing user similarities with 30 other candidate users, 5 of which are considered similar and 25 considered dissimilar. The evaluation metrics used include mean average precision (MAP), mean reciprocal rank (MRR) at 10, and normalized discounted cumulative gain (nDCG).
The optimization process involves selecting a loss function and using the AdamW optimizer with specific hyperparameters. The results show that the hierarchical approach with a Stage-1 Twitter4SSE model and a Stage-2 Transformer model performs the best among the alternatives.
In conclusion, the research provides a large unbiased dataset for user similarity analysis, presents a hierarchical language model optimized for accurate user similarity computation, and validates the models' performance on similarity tasks, with potential applications to related problems.
The future work includes investigating the impact of time and topic drift on the models' performance.
Exploring the Bi-verse.A trip across the digital and physical ecospheresMarco Brambilla
The Web and social media are the environments where people post their content, opinions, activities, and resources. Therefore, a considerable amount of user-generated content is produced every day for a wide variety of purposes. On the other side, people live their everyday life immersed in the physical world, where society, economy, politics and personal relations continuously evolve. These two opposite and complementary environment are today fully integrated: they reflect each other and they interact with each other in a stronger and stronger way.
Exploring and studying content and data coming from both environments offers a great opportunity to understand the ever evolving modern society, in terms of topics of interest, events, relations, and behaviour.
In this speech I will discuss through business cases and socio-political scenarios how we can extract insights and understand reality by combining and analyzing data from the digital and physical world, so as to reach a better overall picture of reality itself. Along this path, we need to keep into account that reality is complex and varies in time, space and along many other dimensions, including societal and economic variables. The speech highlights the main challenges that need to be addressed and outlines some data science strategies that can be applied to tackle these specific challenges.
This slide deck has been presented as a keynote speech at WISE 2022 in Biarritz, France.
In online social media platforms, users can express their ideas by posting original content or by adding comments and responses to existing posts, thus generating virtual discussions and conversations. Studying these conversations is essential for understanding the online communication behavior of users. This study proposes a novel approach to retrieve popular patterns on online conversations using network-based analysis. The analysis consists of two main stages: intent analysis and network generation. Users’ intention is detected using keyword-based categorization of posts and comments, integrated with classification through Naïve Bayes and Support Vector Machine algorithms for uncategorized comments. A continuous human-in-the-loop approach further improves the keyword-based classification. To build and understand communication patterns among the users, we build conversation graphs starting from the hierarchical structure of posts and comments, using a directed multigraph network. The experiments categorize 90% comments with 98% accuracy on a real social media dataset. The model then identifies relevant patterns in terms of shape and content; and finally determines the relevance and frequency of the patterns. Results show that the most popular online discussion patterns obtained from conversation graphs resemble real-life interactions and communication.
Trigger.eu: Cocteau game for policy making - introduction and demoMarco Brambilla
COCTEAU stands for "Co-Creating the European Union".
It's a project supported by the European Union whose objective is to involve citizens to cooperate alongside policy makers, contributing to build a better future.
Generation of Realistic Navigation Paths for Web Site Testing using RNNs and ...Marco Brambilla
A large audience of users and typically a long time frame are needed to produce sensible and useful log data, making it an expensive task.
To address this limit, we propose a method that focuses on the generation of REALISTIC NAVIGATIONAL PATHS, i.e., web logs .
Our approach is extremely relevant because it can at the same time tackle the problem of lack of publicly available data about web navigation logs, and also be adopted in industry for AUTOMATIC GENERATION OF REALISTIC TEST SETTINGS of Web sites yet to be deployed.
The generation has been implemented using deep learning methods for generating more realistic navigation activities, namely
Recurrent Neural Network, which are very well suited to temporally evolving data
Generative Adversarial Network: neural networks aimed at generating new data, such as images or text, very similar to the original ones and sometimes indistinguishable from them, that have become increasingly popular in recent years.
We run experiments using open data sets of weblogs as training, and we run tests for assessing the performance of the methods. Results in generating new weblog data are quite good with respect to the two evaluation metrics adopted (BLEU and Human evaluation).
Our study is described in detail in the paper published at ICWE 2020 – International Conference on Web Engineering with DOI: 10.1007/978-3-030-50578-3. It’s available online on the Springer Web site.
Analyzing rich club behavior in open source projectsMarco Brambilla
The network of collaborations in an open source project can reveal relevant emergent properties that influence its prospects of success.
In this work, we analyze open source projects to determine whether they exhibit a rich-club behavior, i.e., a phenomenon where contributors with a high number of collaborations (i.e., strongly connected within the collaboration network)
are likely to cooperate with other well-connected individuals. The presence or absence of a rich-club has an impact on the sustainability and robustness of the project.
For this analysis, we build and study a dataset with the 100 most popular projects in GitHub, exploiting connectivity patterns in the graph structure of collaborations that arise from commits, issues and pull requests. Results show that rich-club behavior is present in all the projects, but only few of them have an evident club structure. We compute coefficients both for single source graphs and the overall interaction graph, showing that rich-club behavior varies across different layers of software development. We provide possible explanations of our results, as well as implications for further analysis.
Analysis of On-line Debate on Long-Running Political Phenomena.The Brexit C...Marco Brambilla
In this study, we demonstrate that the computational social science is important to understand people behavior in political phenomena, and based on the long-running Brexit debate analysis on Twitter, we predict the public stance, discussion topics, and we measure the involvement of automated accounts and politicians’ social media accounts.
Community analysis using graph representation learning on social networksMarco Brambilla
In a world more and more connected, new and complex interaction
patterns can be extracted in the communication between people.
This is extremely valuable for brands that can better understand
the interests of users and the trends on social media to better target
their products. In this paper, we aim to analyze the communities
that arise around commercial brands on social networks to understand
the meaning of similarity, collaboration, and interaction
among users.We exploit the network that builds around the brands
by encoding it into a graph model.We build a social network graph,
considering user nodes and friendship relations; then we compare
it with a heterogeneous graph model, where also posts and hashtags
are considered as nodes and connected to the different node
types; we finally build also a reduced network, generated by inducing
direct user-to-user connections through the intermediate
nodes (posts and hashtags). These different variants are encoded
using graph representation learning, which generates a numerical
vector for each node. Machine learning techniques are applied to
these vectors to extract valuable insights for each user and for the
communities they belong to. In the paper, we report on our experiments
performed on an emerging fashion brand on Instagram, and
we show that our approach is able to discriminate potential customers
for the brand, and to highlight meaningful sub-communities
composed by users that share the same kind of content on social
networks.
Data Cleaning for social media knowledge extractionMarco Brambilla
Social media platforms let users share their opinions through textual or multimedia content. In many settings, this becomes a valuable source of knowledge that can be exploited for specific business objectives. Brands and companies often ask to monitor social media as sources for understanding the stance, opinion, and sentiment of their customers, audience and potential audience. This is crucial for them because it let them understand the trends and future commercial and marketing opportunities.
However, all this relies on a solid and reliable data collection phase, that grants that all the analyses, extractions and predictions are applied on clean, solid and focused data. Indeed, the typical topic-based collection of social media content performed through keyword-based search typically entails very noisy results.
We recently implemented a simple study aiming at cleaning the data collected from social content, within specific domains or related to given topics of interest. We propose a basic method for data cleaning and removal of off-topic content based on supervised machine learning techniques, i.e. classification, over data collected from social media platforms based on keywords regarding a specific topic. We define a general method for this and then we validate it through an experiment of data extraction from Twitter, with respect to a set of famous cultural institutions in Italy, including theaters, museums, and other venues.
For this case, we collaborated with domain experts to label the dataset, and then we evaluated and compared the performance of classifiers that are trained with different feature extraction strategies.
Iterative knowledge extraction from social networks. The Web Conference 2018Marco Brambilla
Knowledge in the world continuously evolves, and ontologies are largely incomplete, especially regarding data belonging to the so-called long tail. We propose a method for discovering emerging knowledge by extracting it from social content. Once initialized by domain experts, the method is capable of finding relevant entities by means of a mixed syntactic-semantic method. The method uses seeds, i.e. prototypes of emerging entities provided by experts, for generating candidates; then, it associates candidates to feature vectors built by using terms occurring in their social content and ranks the candidates by using their distance from the centroid of seeds, returning the top candidates. Our method can run iteratively, using the results as new seeds.
In this paper we address the following research questions: (1) How does the reconstructed domain knowledge evolve if the candidates of one extraction are recursively used as seeds (2) How does the reconstructed domain knowledge spread geographically (3) Can the method be used to inspect the past, present, and future of knowledge (4) Can the method be used to find emerging knowledge?.
This work was presented at The Web Conference 2018, MSM workshop.
Driving Style and Behavior Analysis based on Trip Segmentation over GPS Info...Marco Brambilla
Over one billion cars interact with each other on the road every day. Each driver has his own driving style, which could impact safety, fuel economy and road congestion. Knowledge about the driving style of the driver could be used to encourage ``better" driving behaviour through immediate feedback
while driving, or by scaling auto insurance rates based on the aggressiveness of the driving style.
In this work we report on our study of driving behaviour profiling based on unsupervised data mining methods. The main goal is to detect the different driving behaviours, and thus to cluster drivers with similar behaviour.
This paves the way to new business models related to the driving sector, such as Pay-How-You-Drive insurance
policies and car rentals.
Driver behavioral characteristics are studied by collecting information from GPS sensors on the cars and by applying three different analysis approaches (DP-means, Hidden Markov Models, and Behavioural Topic Extraction) to the contextual scene detection problems on car trips, in order to detect different
behaviour along each trip. Subsequently, drivers are clustered in similar profiles based on that and the results are compared with a human-defined groundtruth on drivers classification. The proposed framework is tested on a real dataset containing sampled car signals. While the different approaches show relevant differences in trip segment classification, the coherence of the final driver clustering results is surprisingly high.
Myths and challenges in knowledge extraction and analysis from human-generate...Marco Brambilla
For centuries, science (in German "Wissenschaft") has aimed to create ("schaften") new knowledge ("Wissen") from the observation of physical phenomena, their modelling, and empirical validation. Recently, a new source of knowledge has emerged: not (only) the physical world any more, but the virtual world, namely the Web with its ever-growing stream of data materialized in the form of social network chattering, content produced on demand by crowds of people, messages exchanged among interlinked devices in the Internet of Things. The knowledge we may find there can be dispersed, informal, contradicting, unsubstantiated and ephemeral today, while already tomorrow it may be commonly accepted. The challenge is once again to capture and create knowledge that is new, has not been formalized yet in existing knowledge bases, and is buried inside a big, moving target (the live stream of online data). The myth is that existing tools (spanning fields like semantic web, machine learning, statistics, NLP, and so on) suffice to the objective. While this may still be far from true, some existing approaches are actually addressing the problem and provide preliminary insights into the possibilities that successful attempts may lead to.
The talk explores the mixed realistic-utopian domain of knowledge extraction and reports on some tools and cases where digital and physical world have brought together for better understanding our society.
Harvesting Knowledge from Social Networks: Extracting Typed Relationships amo...Marco Brambilla
Knowledge bases like DBpedia, Yago or Google's Knowledge
Graph contain huge amounts of ontological knowledge harvested from
(semi-)structured, curated data sources, such as relational databases or
XML and HTML documents. Yet, the Web is full of knowledge that is
not curated and/or structured and, hence, not easily indexed, for ex-
ample social data. Most work so far in this context has been dedicated
to the extraction of entities, i.e., people, things or concepts. This poster
describes our work toward the extraction of relationships among entities.
The objective is reconstructing a typed graph of entities and relation-
ships to represent the knowledge contained in social data, without the
need for a-priori domain knowledge. The experiments with real datasets
show promising performance across a variety of domains.
The key distinguishing
feature of the work is its focus on highly unstructured social data (tweets and
Facebook posts) without reliable grammar structures. Traditional relation extraction approaches supervised , semi-supervised or unsupervised,
commonly assume the availability of grammatically correct language corpora.
Model-driven Development of User Interfaces for IoT via Domain-specific Comp...Marco Brambilla
Internet of Things technologies and applications are evolving and continuously gaining traction in all fields and environments, including homes, cities, services, industry and commercial enterprises. However, still many problems need to be addressed. For instance, the
IoT vision is mainly focused on the technological and infrastructure aspect, and on the management and analysis of the huge amount of generated data, while so far the development of front-end and user interfaces for
IoT has not played a relevant role in research. On the contrary, user interfaces in the IoT ecosystem they can play a key role in the acceptance of solutions by final adopters. In this paper we present a model-driven approach to the design of IoT interfaces, by defining a specific visual design language and design patterns for IoT\ applications, and we show them at work. The language we propose is defined as an extension of the OMG standard language called IFML.
A Model-Based Method for Seamless Web and Mobile Experience. Splash 2016 conf.Marco Brambilla
Consumer-centered software applications nowadays are required
to be available both as mobile and desktop versions.
However, the app design is frequently made only for one of
the two (i.e., mobile first or web first) while missing an appropriate
design for the other (which, in turn, simply mimics
the interaction of the first one). This results into poor quality
of the interaction on one or the other platform. Current solutions
would require different designs, to be realized through
different design methods and tools, and that may require to
double development and maintenance costs.
In order to mitigate such an issue, this paper proposes a
novel approach that supports the design of both web and mobile
applications at once. Starting from a unique requirement
and business specification, where web– and mobile–specific
aspects are captured through tagging, we derive a platform independent
design of the system specified in IFML. This
model is subsequently refined and detailed for the two platforms,
and used to automatically generate both the web and
mobile versions. If more precise interactions are needed for
the mobile part, a blending with MobML, a mobile-specific
modeling language, is devised. Full traceability of the relations
between artifacts is granted.
The Web Science course focuses on the study of large-scale socio-technical systems associated with the World Wide Web. It considers the relationship between people and technology, the ways that society and technology complement one another and the way they impact on broader society. These analyses are inherently associated with Big Data management issues.
The course is organised in four parts.
1. Syntax
In the first part, the course introduces the basis of content analysis. If focuses on the syntactic aspects, covering the fundamentals of natural language processing and text mining. It describes the structure and typical characteristics of the different web sources, spanning search results, social media contents, social network structures, Web APIs, and so on. It also provides an overview of the basic Web analysis techniques applied in Web search and Web recommendation.
2. Semantics
In the second part, the course presents semantic technologies. These technologies are very important nowadays because they allow to treat the "variety" dimension of Big Data, i.e., they enable integration of multiple and diverse sources of information, which is typical on the modern Web platform. Covered topics include:
- RDF - a flexible data model to represent heterogeneous data
- OWL - a flexible ontological language to model heterogeneous data sources
- SPARQL - a query language for RDF.
It shows how to put all the pieces together in order to achieve interoperability among heterogeneous information sources
3. Time
The third part covers the realm of temporal-dependent data. The topics covered here allow to treat the "velocity" dimension of Big Data. It shows the importance for many Big Data analysis scenarios to process data stream, coming for instance from Internet of Things (IoT) and Social Media sources; and it describes how to apply semantic and syntactic techniques in the context of time-dependent information. For instance, it shows how to extend RDF to model RDF streams, how to extend SPARQL to continuously process RDF streams and how to reason on those RDF Streams
4. Applications
In the fourth part, the course focuses on specific application scenarios and presents the typical settings and problems where the presented techniques can be applied. This part discusses settings such as: big data analysis for smart cities; data analytics for brand monitoring (marketing) and event monitoring; data analysis for trend detection and user engagement; and so on.
State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
Kubernetes & AI - Beauty and the Beast !?! @KCD Istanbul 2024Tobias Schneck
As AI technology is pushing into IT I was wondering myself, as an “infrastructure container kubernetes guy”, how get this fancy AI technology get managed from an infrastructure operational view? Is it possible to apply our lovely cloud native principals as well? What benefit’s both technologies could bring to each other?
Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
Let's dive deeper into the world of ODC! Ricardo Alves (OutSystems) will join us to tell all about the new Data Fabric. After that, Sezen de Bruijn (OutSystems) will get into the details on how to best design a sturdy architecture within ODC.
Smart TV Buyer Insights Survey 2024 by 91mobiles.pdf91mobiles
91mobiles recently conducted a Smart TV Buyer Insights Survey in which we asked over 3,000 respondents about the TV they own, aspects they look at on a new TV, and their TV buying preferences.
Search and Society: Reimagining Information Access for Radical FuturesBhaskar Mitra
The field of Information retrieval (IR) is currently undergoing a transformative shift, at least partly due to the emerging applications of generative AI to information access. In this talk, we will deliberate on the sociotechnical implications of generative AI for information access. We will argue that there is both a critical necessity and an exciting opportunity for the IR community to re-center our research agendas on societal needs while dismantling the artificial separation between the work on fairness, accountability, transparency, and ethics in IR and the rest of IR research. Instead of adopting a reactionary strategy of trying to mitigate potential social harms from emerging technologies, the community should aim to proactively set the research agenda for the kinds of systems we should build inspired by diverse explicitly stated sociotechnical imaginaries. The sociotechnical imaginaries that underpin the design and development of information access technologies needs to be explicitly articulated, and we need to develop theories of change in context of these diverse perspectives. Our guiding future imaginaries must be informed by other academic fields, such as democratic theory and critical theory, and should be co-developed with social science scholars, legal scholars, civil rights and social justice activists, and artists, among others.
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
The Art of the Pitch: WordPress Relationships and SalesLaura Byrne
Clients don’t know what they don’t know. What web solutions are right for them? How does WordPress come into the picture? How do you make sure you understand scope and timeline? What do you do if sometime changes?
All these questions and more will be explored as we talk about matching clients’ needs with what your agency offers without pulling teeth or pulling your hair out. Practical tips, and strategies for successful relationship building that leads to closing the deal.
"Impact of front-end architecture on development cost", Viktor TurskyiFwdays
I have heard many times that architecture is not important for the front-end. Also, many times I have seen how developers implement features on the front-end just following the standard rules for a framework and think that this is enough to successfully launch the project, and then the project fails. How to prevent this and what approach to choose? I have launched dozens of complex projects and during the talk we will analyze which approaches have worked for me and which have not.
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
JMeter webinar - integration with InfluxDB and GrafanaRTTS
Watch this recorded webinar about real-time monitoring of application performance. See how to integrate Apache JMeter, the open-source leader in performance testing, with InfluxDB, the open-source time-series database, and Grafana, the open-source analytics and visualization application.
In this webinar, we will review the benefits of leveraging InfluxDB and Grafana when executing load tests and demonstrate how these tools are used to visualize performance metrics.
Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
To view the webinar recording, go to:
https://www.rttsweb.com/jmeter-integration-webinar
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
- Practical Applications in FME Form: Delve into key user parameter types including choice, connections, and file URLs. Allow users to control how a workflow runs, making your workflows more reusable. Learn to import values and deliver the best user experience for your workflows while enhancing accuracy.
- Optimization Strategies in FME Flow: Explore the creation and strategic deployment of parameters in FME Flow, including the use of deployment and geometry parameters, to maximize workflow efficiency.
- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
The publishing industry has been selling digital audiobooks and ebooks for over a decade and has found its groove. What’s changed? What has stayed the same? Where do we go from here? Join a group of leading sales peers from across the industry for a conversation about the lessons learned since the popularization of digital books, best practices, digital book supply chain management, and more.
Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
Key Trends Shaping the Future of Infrastructure.pdfCheryl Hung
Keynote at DIGIT West Expo, Glasgow on 29 May 2024.
Cheryl Hung, ochery.com
Sr Director, Infrastructure Ecosystem, Arm.
The key trends across hardware, cloud and open-source; exploring how these areas are likely to mature and develop over the short and long-term, and then considering how organisations can position themselves to adapt and thrive.
Software Delivery At the Speed of AI: Inflectra Invests In AI-Powered QualityInflectra
In this insightful webinar, Inflectra explores how artificial intelligence (AI) is transforming software development and testing. Discover how AI-powered tools are revolutionizing every stage of the software development lifecycle (SDLC), from design and prototyping to testing, deployment, and monitoring.
Learn about:
• The Future of Testing: How AI is shifting testing towards verification, analysis, and higher-level skills, while reducing repetitive tasks.
• Test Automation: How AI-powered test case generation, optimization, and self-healing tests are making testing more efficient and effective.
• Visual Testing: Explore the emerging capabilities of AI in visual testing and how it's set to revolutionize UI verification.
• Inflectra's AI Solutions: See demonstrations of Inflectra's cutting-edge AI tools like the ChatGPT plugin and Azure Open AI platform, designed to streamline your testing process.
Whether you're a developer, tester, or QA professional, this webinar will give you valuable insights into how AI is shaping the future of software delivery.
DevOps and Testing slides at DASA ConnectKari Kakkonen
My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
Execution Semantics of BPMN through MDE Web Application Generation, using BPMN and WebML. BPMN workshop 2011
1. Execution Semantics of BPMN through
MDE Web Application Generation
Marco Brambilla, Piero Fraternali
Dipartimento di Elettronica e Informazione, Politecnico di Milano
Contact:
marco.brambilla@polimi.it
marcobrambi
marcobrambi
BPMN Workshop, Luzern, November 21, 2011
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 1
2. Outline
• Introduction
• Model-driven BPM development cycle
• Conclusions
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 2
3. Introduction
Web applications, Web services, and BPM are the de
facto standard of modern enterprise integration
Web services enable system-to-system interaction;
Web applications allow distributed and ubiquitous user interaction
Business process specification languages ease the definition of the
business constraints, by orchestrating service execution
We offer a model-driven approach for multiparty
business processes, based on Web Service
orchestration and Web user interface design.
BPMN
WebML
3
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 3
4. Background
Business Process Design
representing processes (of heterogeneous nature) in terms of
related, structured activities or tasks that produce a specific service
or product
several proposals for visual modeling languages (e.g., UML, YAML,
BPMN)
Model Driven Architectures
abstraction (separation of platform independent and platform
dependent concerns) and models in Web application design and
development
Web Engineering
use of models (and model transformations) as the key artifacts for
application developments
several proposals (e.g., UML, Hera, OOHDM, UWE, W2000,
WebML)
4
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 4
5. Approach
Model transformation and code generation techniques
to implement and deploy the process on an open
platform
5
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 5
6. Model Driven Engineering of BPM applications
• Models are amenable to be transformed into running applications, enabling
fast prototyping and early assessment of alternative process socialization
strategies directly by the stakeholders
• Model-Driven Engineering is the discipline that supports a generative
approach to the creation and maintenance of application from abstract,
platform-independent models
• Implementation exploited WebRatio (www.webratio.com), an industrial
MDE tool that manages app development in three steps:
Design Customize Generate
the Model the Rules the Application
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 6
7. Model-driven Development Process
• Manual specification of BPMN process model
• Automatic transformation of BPMN to WebML
• Possible manual refinement of WebML models
• Automatic running code generation on J2EE platform
• Virtuous development cycle
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 7
8. Models for BPM
Two types of models concur to define the application requirements:
Process Model Application Model
It is used to define: It is used to define:
•Organization and roles •Page contents
•Activities and assignments •Business logic
•Business rules •User interface & Visual identity
•Business workflow •Integration
It is based on BPMN notation It is based on WebML modelling language
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 8
9. The generated model artifacts
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 9
10. Generative approach and runtime architecture
Visual identity
Presentation layer
Process layer
Business layer
Data Service Integration
Social networks or
layer layer layer other third-party
services or applications
Standard Java
Web application
JBoss Oracle
Application IBM Apache Caucho Application
Server WebSphere Tomcat Resin Server
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 10
11. DEMO
http://www.webratio.com
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 11
12. Thanks.
Questions? Contact:
Marco Brambilla
marco.brambilla@polimi.it
marcobrambi
marcobrambi
Brambilla, Fraternali: Execution Semantics of BPMN through MDE Web Application Generation 12